This is a completely serious topic. Riot for some reason want threads of this nature to be posted here though, so there you go.
I want to learn how to not play this game well. Who's the best at that?
Troll for Trump4 votesTyler1
Cap7ain Teem03 votesBrofesco, ghost to lane, lozo, vvvortic
Insanity Song2 votesAll of them if you try to copy how somebody plays you might do worse then them
MasterOfMetaI2 votesNightblue3
paisy2 votesNightblue3
IoLana1 votesWingsofdeathX
DrCyanide1 votesSivHD. Very funny, very good at editing his videos, but not that great at actually playing the game.
Zarvanis1 votesHe's not bad at the game, he just doesn't try. He's more interesting in goofing around and having fun than winning.
SpookyNeedle1 votesWait are you the real overwatch legend
Worst Kench NA1 votes
Freaky Ivern1 votesNB3 if you want to make it up to b3
SpookyNeedle1 votesAlthough I won't ever have the chance to play with you, Goodluck on your journey, and try not to make bronze too much worse. Also say hi to my friend Creeping Death, also ggoes by Fiora or Feed
gucci squád1 votesDong Huap can give some really helpful tips
KinneyJ1 votesDon't listen to anyone just find someone who plays the same role as you do and then find another and a another so on so forth, then see how they play and what you can improve on
RamboDash151 votesMagickarpUsedFly and Darkk Mane
They're both really funny and play stupid stuff such as Darkk Mane's AP 
video, which is one of my favourites
I haven't watched their streams if they have any, but they are my favourite youtubers for League content